Pd-list June 2007

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146 participants
264 discussions

Again on external compilation for windows: MINGW
by alberto.zin＠poste.it 29 Jun '07

29 Jun '07

If someone cares I wrote few lines about compilation of externals on win using mingw (in the PD forum). The procedure is oversimplified on some parts but here it is. If you have comments (or if there are errors) just let me know. Even if MSVC offers an integrated environment for developing there can be some good reasons for giving a try to the old-man "unix" way of compiling, which in windows is best represented by MINGW32 and cygwin. Both offers linux-like environments (i.e. command line tools) for compiling and other shell tasks which, sometimes, in windows are a pain in the ass. There are at least three good reasons for giving a look at mingw: 1) gives strong linux compatibility on external compilation (almost same command lines arguments etc.) 2) there is the possibility to use makefiles in an almost straightforward way (with minor modifications to linux makefiles). 3) no dependency on expensive MS programs (except for the small, bug-free Operating System ;-) I did this exercise by porting the E. Lyon "LyonPoutpourry" externals for win (http://www.sarc.qub.ac.uk/~elyon/LyonSoftware/Pd/). Give a look at the win source package: inside there is a makefile for darwin (MAC) linux and win. I added the latter, and as you can see the modifications are minor. ----------- 1. Prelude: compilation environment ------------------ First of all we have to set once for all the compilation environment. Let's forget for the moment cygwin and concentrate on mingw32 (http://www.mingw.org/). The following is taken from (H.C. Steiner's wiki http://www.puredata.org/docs/developer/mingw) Download the MinGW package installer and run it: (http://prdownloads.sourceforge.net/ming -5.1.1.exe) Choose the Candidate distribution. Install the defaults and add the g++ compiler, g77 compiler, and MinGW make or you can just download my MinGW install, MinGW-Pd.tar.bz2, and uncompress it so that its installed into C:\MinGW. Then we need MSYS which is a shell (an interpreter of the commands, like a colorful dos prompt ;-) http://prdownloads.sourceforge.net/ming 1.0.10.exe Now you will be using the MSYS shell that was installed from the MSYS installer. You can launch it from the Desktop shortcut or Start -> Programs -> MinGW -> MSYS -> msys ----------- 2. Allegro: compilation trial ------------------ a. open MSYS b. at the prompt type: cd c: (or the drive you whish to go for the pd external compilation) c. go to the external directory (note the backslashes instead of slashes !), mine is external-compiling. Inside I have helloworld.c cd alberto/backup/PureData_Archive/patches/AlbertoZ/external-compiling/ d. copy m_pd.h (from the PD distribution directory) into external-compiling (or whatever is its name) e. type: gcc -c helloworld.c -o helloworld.o f. type: ld -export_dynamic -shared -o helloworld.dll helloworld.o c:/Programmi/pd039e xt4/bin/pd.dll (this is the linker step. note that I linked to a particular version of pd.dll - 0.39 extended test 4, so probably (I'm not sure about this) the external will run on 0.39 only. Can someone confrm this?) g. If everything was ok then you should have a helloworld.dll in your directory. Move it on the extra folder of your pd distribution (I assume that extra folder is in the pd predefined path) and make a new patch with the helloworld object. Again, if everything is correct, you should have a "Hello world!!" printed on the console. ----------- 3. Adagio: makefile ------------------ A makefile can be used for compilation. Even if a simple helloworld application does not need it, complex programs may do. The makefile.win is attached with this post. Modify it according to your path in Make sure you have helloworld.c m_pd.h makefile.win in your directory. Now type at MSYS prompt: make -f makefile.win This will automatically produce: the object, the linker step (the dll) and will copy the helloworld.dll in the extra folder of you pd distribution (overwriting the existing one ;-). ----------- 4. Allegro con brio: conclusions ------------------ Why not give a try to the old-man compilation on Win? :-) ----------- 5. Minuetto: greetings ------------------ I apologize if I said some crap somewhere, just let me know if it doesn't work. Have fun! Best regards, Alberto http://puredata.org/Members/AlbertoZ

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Pduino 0.3.1 release
by Hans-Christoph Steiner 29 Jun '07

29 Jun '07

Small fix release of Pduino/Firmata to be compatible with Arduino 0008. http://at.or.at/hans/pd/Pduino-0.3.1.zip .hc ------------------------------------------------------------------------ ---- You can't steal a gift. Bird gave the world his music, and if you can hear it, you can have it. - Dizzy Gillespie

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[hid] resolution
by danja 29 Jun '07

29 Jun '07

Hi there, I'm wondering about [hid] resolution, is [poll( something that has to do with it? In the installation i'm busy with few mice are often moved over a long distance (~1m) and often rather quick. I notice that after some certain movement speed the response goes very low. Of course this has to do with the resolution of the mouse itself, but after few comparisons with movements using driver of Xorg I suspect [hid] get's less DPI (CPI). Can it be that Xorg mouse driver has presets for different kinds of mice and it enables often available hi-res mode (logitech e.g. has a xorg.conf 'Option "Resolution" "1200"'), when [hid] uses 'default' 400dpi for any sort of mouse? Any idea how to improve mouse response speed will be very much appreciated, thanks, Danja

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pd mailing list firefox search plug in
by altern 29 Jun '07

29 Jun '07

hi all could anyone please send the URL for the pd mailing list firefox search plug in? I am quickly trying to find it with no much luck. I urgently need it for a workshop, to pass it to students. I thought it was somewhere in puredata.org but i cannot find it now. thanks! enrike

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Integer part
by Carlos Pita 29 Jun '07

29 Jun '07

Hi all, how do I get the integer and decimal part of a pd float? I see that there is an [int] object but it works as a memory too, a bit more of what I need. Maybe I could use [expr~]. Is there any standard or common way of doing this? Thank you in advance. Cheers, Carlos

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Four proposals to add order into pd
by Alexandre Quessy 29 Jun '07

29 Jun '07

Hi all, I proposed something like this as a Google summer code project. Please read this : http://wiki.dataflow.ws/PdUtilitiesProposal I suggest four tools to make the package managing easier. 1. stdpd : The standard pd library 2. pd-doc : the pd auto documentation tool 3. pdm : the pd package manager 4. The pd objects wiki What do you think ? Anyone interested in taking part in the reflection and coding for this ? I think that they can all be achieved pretty easily. The package manager should be last, but not least. Also, if anyone is interested in contributing to the PdMtlAbstractions with some patches or general help, please tell us. See http://wiki.dataflow.ws/PdMtlAbstractions : of course, I would like a system like stdpd become the standard way to build an external in pd-extended. Thanks, -- Alexandre Quessy http://alexandre.quessy.net http://www.puredata.info/Members/aalex

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Re: [PD] Integer part
by paris＠parisgraphics.com 29 Jun '07

29 Jun '07

i don't have pd on this machine, so i can't test for you...but if i recall correctly, there are both mod and div objects. best, p > -------- Original Message -------- > Subject: [PD] Integer part > From: "Carlos Pita" <carlosjosepita(a)gmail.com> > Date: Thu, June 28, 2007 11:47 pm > To: pd-list(a)iem.at > > Hi all, > > how do I get the integer and decimal part of a pd float? > I see that there is an [int] object but it works as a memory too, a > bit more > of what I need. > Maybe I could use [expr~]. > Is there any standard or common way of doing this? > > Thank you in advance. > Cheers, > Carlos<hr>_______________________________________________ > PD-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list

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repeated geo with shader
by punchik punchik 29 Jun '07

29 Jun '07

hi pd list, im using the repeat object to repeat a sphere with a shader program. I would like to know if its possible to have access to the variables of the shader of the iterated sphere independently. i would like that each repeated sphere have different shader parameters of the same shading program ... is this possible? any hints? punchikk --------------------------------- Get the free Yahoo! toolbar and rest assured with the added security of spyware protection.

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SOURCEFORGE.NET Community Choice Awards
by Mathieu Bouchard 28 Jun '07

28 Jun '07

http://sourceforge.net/awards/cca/nomination.php?group_id=55736 _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801, Montréal QC Canada

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dumpOSC from oscx (howto debug a connection?)
by alejo d 28 Jun '07

28 Jun '07

hi, we will like to understand why our OSCdump tests are failing. since the object just needs one argument (the port) [dumpOSC 54321] | | [print test] as don't see the port 54321 being opened in the syslog and nmap doesn't show it as an open port we cannot be sure why data still passes by when we try via localhost: [send localhost 54321( | [sendOSC] and messages are passing. next step is to check the firewall, turn it off or allow packets to via the port 54321 in the corresponding IP. but still no flow from external packages. what else can we try to debug and understand where is that the packects are being trapped? suggestions for linux, os x and windows are welcome since we have tried in those 3 platforms and from different places/countries with no luck yet. tx! /alejo

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Pd-list June 2007